Evergy Selects Kigen’s Secure eSIM OS and eIM to Maximize Grid Reliability with Automated Failover Across Private and Public Networks Evergy, one of the largest investor-owned utilities in the Midwest United States serving 1. 7 million customers across Kansas and Missouri, has selected Kigen, the global leader in eSIM and iSIM technology, to strengthen grid resiliency. The post Evergy Selects Kigen To Strengthen Grid Resilience Across Private and Public Networks appeared first.